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83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2021 - Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RivDrawableSpheres.h"
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#include "cvfRay.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RivDrawableSpheres::RivDrawableSpheres()
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: cvf::DrawableVectors()
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, m_radius( 1.0 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RivDrawableSpheres::RivDrawableSpheres( cvf::String vectorMatrixUniformName, cvf::String colorUniformName )
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: cvf::DrawableVectors( vectorMatrixUniformName, colorUniformName )
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, m_radius( 1.0 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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/// Estimate the intersection of a sphere by the sphere inscribed in a bounding box
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//--------------------------------------------------------------------------------------------------
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bool RivDrawableSpheres::rayIntersectCreateDetail( const cvf::Ray& ray, cvf::Vec3d* intersectionPoint, cvf::ref<cvf::HitDetail>* hitDetail ) const
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{
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if ( m_centerCoordArray.isNull() ) return false;
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for ( size_t i = 0; i < m_centerCoordArray->size(); i++ )
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{
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cvf::BoundingBox bb;
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cvf::Vec3f center = m_centerCoordArray->get( i );
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cvf::Vec3f corner1 = cvf::Vec3f( center.x() + m_radius, center.y() + m_radius, center.z() + m_radius );
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cvf::Vec3f corner2 = cvf::Vec3f( center.x() - m_radius, center.y() - m_radius, center.z() - m_radius );
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bb.add( corner1 );
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bb.add( corner2 );
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if ( ray.boxIntersect( bb, intersectionPoint ) )
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{
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return true;
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}
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}
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return false;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RivDrawableSpheres::setRadius( float radius )
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{
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m_radius = radius;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RivDrawableSpheres::setCenterCoords( cvf::Vec3fArray* vertexArray )
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{
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m_centerCoordArray = vertexArray;
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}
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